code: def save(self, path):
      print("save features")
      joblib.dump(self.features, path)
  
file_path: underthesea/underthesea/models/crf_sequence_tagger.py
imports: from os.path import join
  from pathlib import Path
  import joblib
  import pycrfsuite
  from underthesea.transformer.tagged import TaggedTransformer
label_desc: Use image node_id 3 for calling the CRFSequenceTagger obj's underlying member method code with example usage: obj.save(path) without return types